Raw
1 new_var=10
2 x=456
3 echo $2
4 echo $USERNAME
5 ${HOMEDIR}
6 ((a+=b))
7 ((a*=b))
8 ((a/=b))
9 ((a%=b))
10 ((a|=b))
11 ((a^=b))
12 ((a==b))
13 ((a!=b))
14 ((a<=b))
15 ((a>=b))
16 $((a<<b))
17 $((a>>b))
18 $((a&&b))
19 $((a||b))
20 ${a:-b}
21 ${a:=b}
22 ${a:+b}
23 ${a:?b}
24 ${a##*/}
25 ${a%%.*}
26 ${a^^}
27 ${a,,}
28 ${!a}
29 ${a[@]}
30 ls -x
31 ls --color